# `Version.InvalidRequirementError`
[🔗](https://github.com/elixir-lang/elixir/blob/v1.20.0-rc.3/lib/elixir/lib/version.ex#L230)

An exception raised when a version requirement is invalid.

For example, see `Version.parse_requirement!/1`.

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*Consult [api-reference.md](api-reference.md) for complete listing*